Hello: This patch was applied to netdev/net.git (master) by David S. Miller <davem@xxxxxxxxxxxxx>: On Tue, 15 Feb 2022 11:35:47 +0100 you wrote: > A broken device may give an extreme offset like 0xFFF0 > and a reasonable length for a fragment. In the sanity > check as formulated now, this will create an integer > overflow, defeating the sanity check. Both offset > and offset + len need to be checked in such a manner > that no overflow can occur. > And those quantities should be unsigned. > > [...] Here is the summary with links: - CDC-NCM: avoid overflow in sanity checking https://git.kernel.org/netdev/net/c/8d2b1a1ec9f5 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html